Marquise|Natural|GIA

2.54ct G SI1 Marquise Natural Diamond

EX • G/SI1 • GIA 2235823771

Certificate GIA 2235823771

Diamond specifications and retailer prices

From £19,818 GBP
$26,595 USD
As of November 2, 2026
Save £5,423 GBP (21%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: £25,241 GBP at 77 Diamonds · As of November 2, 2026
View at 77 Diamonds

About this 2.54ct natural marquise diamond

This 2.54ct natural marquise sits in the two to three carat band, graded G colour (near-colourless) and SI1 clarity (slightly-included), with a top-tier cut grade stated by the retailer rather than the lab and certified by GIA 2235823771. Listed at 5 retailers as of November 2, 2026, with prices from £19,818 to £25,241, a £5,423 spread on the same certified stone. 77 Diamonds lists it at £25,241. SI-grade stones are eye-clean roughly 60 to 70% of the time at this carat range. Check the inclusion plot on the cert and ask the retailer for high-resolution video before buying.

The 4Cs

2.54
Carat
G
Colour
SI1
Clarity
Excellent
Cut (retailer stated)

Specifications

Cut (retailer stated)Excellent
PolishVery Good
SymmetryGood
FluorescenceNone
OriginNatural
Grading LabGIA
CertificateGIA 2235823771
Dimensions12.57 × 7.14 × 4.68 mm
L/W Ratio1.76
Top View
12.57 mm7.14 mm2.54 ctG / SI1
OriginNatural
CutExcellent
PolishVery Good
SymmetryGood
FluorescenceNone
CertificateGIA 2235823771
Side View
Table 57.0%CrownGirdle: Very ThickPavilionCulet: MediumDepth 65.6%

Caratlytics Score

How it works →
B+
Very Good
Strong quality and value balance
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Nov 2
Current: £25,241 GBP|Low: £19,634 GBP|High: £25,497 GBP|Avg: £22,082 GBP|+1.4%
77 Diamonds
Retailer 2
Retailer 3
Retailer 4
November 2, 2026
Retailer 3£19,818 GBP
Retailer 4£21,369 GBP
Retailer 2£22,445 GBP
77 Diamonds£25,241 GBP

36 data points across 4 retailers

5 retailers£19,818 GBP to £25,241 GBP

B+
Cheapest Retailer
-
£19,818 GBP
$26,595 USD
B+
Retailer 2
-
£21,369 GBP
$28,676 USD
View
B+
Retailer 3
-
£21,859 GBP
A$45,128 AUD
View
B+
Retailer 4
-
£22,445 GBP
$30,120 USD
View
Final sale: no returns
Most Expensive
B
77 Diamonds
MQZE3CHJ7HF · Nov 2
£25,241 GBP
View
4 more retailers have this diamond
Prices start from £19,818 GBPSave up to £5,423 GBP

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

B+
2.54ct Marquise
£19,818 GBP